Category Archives: Knowledgebase

The Knowlege base arranges tips and userful informations scattered on the web.

Open watcher: Nilfs file system and concourse CI

NILFS is a log-structured file system supporting versioning of the entire file system and continuous snapshotting, which allows users to even restore files mistakenly overwritten or destroyed just a few seconds ago. NILFS was developed by NTT Laboratories and published … Continue reading
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Feather: Simple Icons with MIT License

Simply beautiful open source icons https://github.com/feathericons/feather 1,156 forks. 22,866 stars. 470 open issues. Recent commits: feat: Add `table` icon (#1138), GitHub Update GITHUB_TOKEN permissions, GitHub Remove GITHUB_TOKEN env variable, GitHub Add env variables, GitHub chore: Add ci.yml workflow, GitHub  
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Git Hooks: pre-commit.com

Nice tool to test: Git hook scripts are useful for identifying simple issues before submission to code review. We run our hooks on every commit to automatically point out issues in code such as missing semicolons, trailing whitespace, and debug … Continue reading
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Hacker News Undocumented “features”

Some of the hidden norms about Hacker News not otherwise covered in the Guidelines and the FAQ. https://github.com/minimaxir/hacker-news-undocumented 101 forks. 2,938 stars. 28 open issues. Recent commits: Merge pull request #61 from asgh/patch-1note karma effect even after -4, GitHub note … Continue reading
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Next.js: Give it a Try!

I was trying to explore a way to build a client/server application in Typescript; after some failed experiments, I found something better: Next.js offer the ability to build a React application and to render server-side its dynamic components. So you can … Continue reading
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SQLite Tool-set

Random list of very interesting projects (will be updated, guys). I will add my own ideas/impression as soon as possible. From simpler to more complex stuff: sqlite-utils is a rather useful tool for managing SQLite databases, importing structured data and … Continue reading
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Bash Regular expression replace (regexp)

You can easily use bash to search-and-replace on variables… f="/home/alice/myfile.md" $ echo ${f//.md/.pdf} /home/alice/myfile.pdf $ echo ${f//alicee/bob} /home/alice/myfile.md $ echo ${f////-} -home-alice-myfile.md  
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